00251nam a2200097Ia 4500008004100000082001900041100002000060245003000080260003500110300000800145140113s9999    xx            000 0 und d  a581.14   L2.6B  a"Steward, F.C."  aPlant Physiology Vol. VIB  a1972bAcademic PresscNew York  a365